What unit is frequency measured in?

Frequency is a measure of how often a repeating event occurs, specifically in the context of waves it refers to the number of cycles that occur in a given time period. The standard unit for measuring frequency is the hertz (Hz), which is defined as one cycle per second. This means that if a wave completes one full oscillation in one second, its frequency is 1 Hz.

Other units, such as "waves per minute," can be used to express frequency as well, but they are not the standard SI unit. Seconds is a unit of time rather than a unit of frequency, and amperes are units of electrical current, which are unrelated to the concept of frequency. Therefore, the most accurate and universally accepted unit for frequency is hertz.